sharee.bike-App/TINKLib/Model/Map/MapSpanFactory.cs


namespace TINK.Model.Map
{
    public static class MapSpanFactory
    {
        public static IMapSpan Create(IPosition position = null, double radius = double.NaN)
            => MapSpan.GetIsValid(position, radius)
                ? new MapSpan(position, radius) as IMapSpan
                : new NullMapSpan();
    }
}